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Using time-lapse and cinemicrography, shows the process of embryonic development that occurs in a chicken’s egg from approximately eighteen hours after fertilisation to the final hatching some twenty days...
Different types of bee and their function in the community of the hive. The life cycle in the hive during the year: egg laying, metamorphosis, manufacture of wax, swarming, building a honeycomb. Introductory...
The following phenomena are shown in detail - adult feeding, mating, egg-laying, hatching, larva crawling and feeding, larva spinning base, cushion and girdle, pupation, emergence of adult, wing expansion.*
The octopus is seen in its natural habitat seeking shelter and changing colour with the background; catching prey, fighting its enemies and using its ink-sac in escape. In the second section, courtship...
Describes some elementary embryology as found in the sea urchin, and then proceeds to the development of the rabbit. Egg-laying mammals are mentioned after the preliminary discussion on simple cell division....
A study of the structure and habits of the earthworm. Shows its external appearance and mode of life and internal structure by means of diagrams imposed on microphotographs of cross sections of the worm, and...
Life cycle of the blowfly from egg-laying to emergence of adult. Laying of the eggs in exposed meat in the summer; hatching of larvae; growth and feeding of larvae, and their burrowing into the earth for...
Part 1 shows the early processes of development in the sea-urchin egg. Photomicrography shows the eggs, sperm, fertilisation and formation of the fertilisation membrane. Part 2 shows development from the...
The mating behaviour of the grey bamboo shark (Chiloscyllium griseum) is observed. A remarkable feature is the male’s biting the pectoral fin of the female and shaking her vigorously. The copulation and...
A detailed record of the complex morphogenetic changes occurring in ‘Crinoniscus equitans’ (Isopoda, Cryptoniscidae) which is parasitic on the cirripede ‘Balanus perforatus’. Starting with the sex...
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Related searches have been automatically generated using the OpenCalais semantic analysis service.